Thermoelectric properties of n-type PbSe revisited

David Parker; David J. Singh; Qinyong Zhang; Zhifeng Ren

doi:10.1063/1.4728229

Thermoelectric properties of n-type PbSe revisited

David Parker, David J. Singh, Qinyong Zhang, Zhifeng Ren

Materials Theory

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

It was recently predicted [D. Parker D. J. Singh, Phys. Rev. B 82, 035204 (2010)], contrary to then-prevalent opinion, that p-type PbSe would be a good thermoelectric material. This prediction was confirmed in Wang [Adv. Mater. 23, 1367 (2011)], and recent experimental work (Zhang Energy Env. Sci. 5, 5246 (2012)] now indicates that n-type PbSe may show good thermoelectric performance. In light of this work, we now re-examine the thermoelectric performance of n-type PbSe with a revised approximation (not available at the time of the original work) which improves band gap accuracy. We now find that n-type PbSe has large thermopowers characteristic of a high performance material, with values as high in magnitude as 250μV/K at 1000 K and 300μV/K at 800 K. We further find that optimal 1000 K n-type doping ranges are between 2×10 ¹⁹cm ^-3 and 7×10 ¹⁹cm ^-3, while at 800 K, the corresponding range is from 7×10 ¹⁸ to 4×10 ¹⁹cm ^-3.

Original language	English
Article number	123701
Journal	Journal of Applied Physics
Volume	111
Issue number	12
DOIs	https://doi.org/10.1063/1.4728229
State	Published - Jun 15 2012

Funding

This research was supported by the U.S. Department of Energy, EERE, Vehicle Technologies, Propulsion Materials Program (DP) and the Solid State Solar-Thermal Energy Conversion Center (S3TEC), an Energy Frontier Research Center funded by the US Department of Energy, Office of Science, Office of Basic Energy Sciences under Award No. DE-SC0001299/DE-FG02-09ER46577 (DJS).

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title = "Thermoelectric properties of n-type PbSe revisited",

abstract = "It was recently predicted [D. Parker D. J. Singh, Phys. Rev. B 82, 035204 (2010)], contrary to then-prevalent opinion, that p-type PbSe would be a good thermoelectric material. This prediction was confirmed in Wang [Adv. Mater. 23, 1367 (2011)], and recent experimental work (Zhang Energy Env. Sci. 5, 5246 (2012)] now indicates that n-type PbSe may show good thermoelectric performance. In light of this work, we now re-examine the thermoelectric performance of n-type PbSe with a revised approximation (not available at the time of the original work) which improves band gap accuracy. We now find that n-type PbSe has large thermopowers characteristic of a high performance material, with values as high in magnitude as 250μV/K at 1000 K and 300μV/K at 800 K. We further find that optimal 1000 K n-type doping ranges are between 2×10 19cm -3 and 7×10 19cm -3, while at 800 K, the corresponding range is from 7×10 18 to 4×10 19cm -3.",

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AB - It was recently predicted [D. Parker D. J. Singh, Phys. Rev. B 82, 035204 (2010)], contrary to then-prevalent opinion, that p-type PbSe would be a good thermoelectric material. This prediction was confirmed in Wang [Adv. Mater. 23, 1367 (2011)], and recent experimental work (Zhang Energy Env. Sci. 5, 5246 (2012)] now indicates that n-type PbSe may show good thermoelectric performance. In light of this work, we now re-examine the thermoelectric performance of n-type PbSe with a revised approximation (not available at the time of the original work) which improves band gap accuracy. We now find that n-type PbSe has large thermopowers characteristic of a high performance material, with values as high in magnitude as 250μV/K at 1000 K and 300μV/K at 800 K. We further find that optimal 1000 K n-type doping ranges are between 2×10 19cm -3 and 7×10 19cm -3, while at 800 K, the corresponding range is from 7×10 18 to 4×10 19cm -3.

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Thermoelectric properties of n-type PbSe revisited

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